5 sim interface – Rainbow Electronics MG260 User Manual
Page 66
MG260 Product Specification
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2.9.5 SIM interface
Parameter
Conditions
Min
Typ
Max
Unit
SIM_DATA V
IH
I
IH
= ± 20 µA
0.7xSIM_VCC
V
SIM_DATA V
IL
I
IL
= 1 mA
0.3 x
SIM_VCC
V
SIM_RST,
SIM_DATA
SIM_CLK V
OH
Source current
= 20 µA
SIM_VCC –
0.1 V
V
SIM_RST,
SIM_DATA
SIM_CLK V
OL
Sink current = -
200 µA
0.10
V
SIM_VCC*
Output Voltage
I
SIM_VCC
<= 6 mA
2.70
2.80
3.00
V
SIM_CLK
Rise/Fall Time
Loaded with
30 pF
50
ns
SIM_RST,
SIM_DATA
Rise/Fall Time
Loaded with
30 pF
1
µs
SIM_CLK
Frequency
Loaded with
30 pF
3.25
MHz
SIM_PRES V
OH
2.70
2.80
3.00
V
SIM_PRES V
OL
0.10
V
(*): given for the 3 V interface. An external voltage level shifter is needed to handle
1.8 V or 5 V SIM cards.